This is a A-545540R1 Belt, Mechanical Drive PN: 545540R1Main Description As Following : A-545540R1 Belt, Mechanical Drive P.N: 545540R1 Dim A (1): 7/8" x 76"Replaces: 545540R1 Stocked As: A-C72 Found in Section & Models : Belts > Hay and Forage Belts, Case-IH MOWER, SICKLE: 3110 Associated Items : New Also This is An Aftermarket Product And : Dim A (1): 7/8" x 76" Replaces: 545540R1